12.7/22kV Three Core Individual Screened & PVC Sheathed (Cu Conductor)
Application
These cables are designed to be used for the supply of electrical energy in fixed applications up to the rated voltages at a nominal power frequency between 49Hz and 61Hz., they are suitable for use in distribution installation, electrical power station , they are applied for installation, outdoors, underground where subject to mechanical damage.
Standard
AS/NZS 1429.1
Cable Construction
CONDUCTOR: Plain circular compacted copper to AS/NZS1125 Maximum Continuous Operating Temperature: 90°C
CONDUCTOR SCREEN: Extruded semi-conducting compound, bonded to the insulation and applied in the same operation as the insulation
INSULATION: Cross Linked Polyethylene (XLPE) – standard Ethylene Propylene Rubber (EPR) – alternative
INSULATION SCREEN: Extruded semi-conducting compound
METALLIC SCREEN: Plain annealed copper wire: 3kA for nominal 1 second(LIGHT DUTY) Plain annealed copper ire: 10kA for nominal 1 second(HEAVY DUTY)
SHEATH: Black 5V-90 polyvinyl chloride (PVC) – standard
Orange 5V-90 PVC inner plus black high density polyethylene (HDPE) outer – alternative Low smoke zero halogen (LSOH) – alternative
Technical Characteristics
LIGHT DUTY
NOMINAL CONDUCTOR AREA | MAXIMUM CONDUCTOR DC RESISTANCE AT 20°C | COND. AC RESISTANCE AT 50HZ AND 90°C | INDUCTIVE REACTANCE AT 50HZ | INSULATION RESISTANCE AT 20°C | CONDUCTOR TO SCREEN CAPACITANCE | MAXIMUM DIAELECTRIC STRESS | CURRENT RATINGS | ||
|---|---|---|---|---|---|---|---|---|---|
UNENCLOSED IN AIR | UNENCLOSED IN AIR | UNENCLOSED IN AIR | |||||||
MM2 | OHM/KM | OHM/KM | OHM/KM | ΜF X KM | KV X MM | A | A | A | |
0.524 | 0.668 | 0.141 | 16000 | 0.156 | 3.63 | 177 | 170 | 144 | |
0.387 | 0.494 | 0.134 | 14000 | 0.171 | 3.48 | 212 | 201 | 173 | |
0.268 | 0.342 | 0.127 | 13000 | 0.192 | 3.31 | 261 | 245 | 210 | |
0.193 | 0.247 | 0.117 | 11000 | 0.216 | 3.16 | 317 | 293 | 251 | |
0.153 | 0.196 | 0.112 | 10000 | 0.236 | 3.07 | 363 | 333 | 285 | |
0.124 | 0.16 | 0.109 | 9500 | 0.254 | 3 | 411 | 373 | 319 | |
0.0991 | 0.128 | 0.105 | 8800 | 0.274 | 2.93 | 469 | 421 | 366 | |
0.0754 | 0.0981 | 0.101 | 7900 | 0.305 | 2.85 | 549 | 486 | 423 | |
Cable Parameter
LIGHT DUTY
SECTIONAL AREA OF CONDUCTOR | NOM. CONDUCTOR DIAMETER | NOM. INSULATION THICKNESS | NOM. DIAMETE OVER INSULATION | SCREEN AREA ON EACH CORE | NO. AND DIAMTER OF SCREENED WIRES | NOM. DIAMETE OVER SCREENED WIRES | NOM. OVERALL DIAMETER | APPROX. MASS |
|---|---|---|---|---|---|---|---|---|
MM2 | MM | MM | MM | MM2 | NO X MM | MM | MM | KG/100M |
35 | 6.8 | 5.5 | 19.1 | 7.4 | 13 x 0.85 | 20.1 | 52.9 | 276 |
50 | 8 | 5.5 | 20.3 | 7.9 | 14 x 0.85 | 21.4 | 56.0 | 328 |
70 | 9.6 | 5.5 | 21.9 | 8.5 | 15 x 0.85 | 22.8 | 59.2 | 404 |
95 | 11.5 | 5.5 | 23.8 | 9.1 | 16 x 0.85 | 24.5 | 63.1 | 499 |
120 | 13.1 | 5.5 | 25.3 | 9.6 | 17 x 0.85 | 25.9 | 66.6 | 590 |
150 | 14.5 | 5.5 | 26.8 | 10.2 | 18 x 0.85 | 27.3 | 69.8 | 685 |
185 | 16.1 | 5.5 | 28.4 | 10.8 | 19 x 0.85 | 29.1 | 73.9 | 810 |
240 | 18.5 | 5.5 | 30.8 | 11.3 | 20 x 0.85 | 31.4 | 79.3 | 1005 |
